code: def test_mongo_handler(self):
      # TODO how to test mongo handler
      #   test mysql query
      #   test mongo query
      pass
  
file_path: mindsdb/tests/unit/test_mongodb_handler.py
imports: import unittest
  from mindsdb_sql import parse_sql
  from mindsdb.integrations.handlers.mongodb_handler.utils.mongodb_render import MongodbRender
  from mindsdb.api.mongo.utilities.mongodb_parser import MongodbParser
label_desc: Use image node_id 1 for calling the TestMongoDBHandler obj's underlying member method code with example usage: obj.test_mongo_handler() without return types